For another thing, conservatives will almost surely see this as a betrayal. The administration came up with the idea of sequestration, and it turned out to be only tangible victory Republicans could claim on spending. You might remember the 2010 Pledge to America that promised to roll back government spending to pre-stimulus/bailout levels, cutting at least $100 billion in the first year after taking power. Republicans failed to achieve this improbable goal. And almost every year since, government spending has gone up, though the GOP keeps adding seats by promising to achieve the opposite. So the central question is: how...